2 * ***** BEGIN GPL LICENSE BLOCK *****
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation; either version 2
7 * of the License, or (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software Foundation,
16 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
18 * The Original Code is Copyright (C) 2008 Blender Foundation.
19 * All rights reserved.
22 * Contributor(s): Blender Foundation
24 * ***** END GPL LICENSE BLOCK *****
27 /** \file blender/editors/screen/area.c
35 #include "MEM_guardedalloc.h"
37 #include "DNA_userdef_types.h"
39 #include "BLI_blenlib.h"
41 #include "BLI_utildefines.h"
43 #include "BLF_translation.h"
45 #include "BKE_context.h"
46 #include "BKE_global.h"
47 #include "BKE_screen.h"
51 #include "wm_subwindow.h"
53 #include "ED_screen.h"
54 #include "ED_screen_types.h"
55 #include "ED_space_api.h"
57 #include "ED_fileselect.h"
60 #include "BIF_glutil.h"
63 #include "UI_interface.h"
64 #include "UI_resources.h"
65 #include "UI_view2d.h"
67 #include "screen_intern.h"
69 extern void ui_draw_anti_tria(float x1, float y1, float x2, float y2, float x3, float y3); /* xxx temp */
71 /* general area and region code */
73 static void region_draw_emboss(ARegion *ar, rcti *scirct)
77 /* translate scissor rect to region space */
78 rect.xmin = scirct->xmin - ar->winrct.xmin;
79 rect.ymin = scirct->ymin - ar->winrct.ymin;
80 rect.xmax = scirct->xmax - ar->winrct.xmin;
81 rect.ymax = scirct->ymax - ar->winrct.ymin;
85 glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
88 glColor4ub(0, 0, 0, 30);
89 sdrawline(rect.xmax, rect.ymin, rect.xmax, rect.ymax);
92 glColor4ub(0, 0, 0, 30);
93 sdrawline(rect.xmin, rect.ymin, rect.xmax, rect.ymin);
96 glColor4ub(255, 255, 255, 30);
97 sdrawline(rect.xmin, rect.ymax, rect.xmax, rect.ymax);
100 glColor4ub(255, 255, 255, 30);
101 sdrawline(rect.xmin, rect.ymin, rect.xmin, rect.ymax);
106 void ED_region_pixelspace(ARegion *ar)
108 int width = BLI_rcti_size_x(&ar->winrct) + 1;
109 int height = BLI_rcti_size_y(&ar->winrct) + 1;
111 wmOrtho2(-GLA_PIXEL_OFS, (float)width - GLA_PIXEL_OFS, -GLA_PIXEL_OFS, (float)height - GLA_PIXEL_OFS);
115 /* only exported for WM */
116 void ED_region_do_listen(ARegion *ar, wmNotifier *note)
118 /* generic notes first */
119 switch (note->category) {
121 if (note->data == ND_FILEREAD)
122 ED_region_tag_redraw(ar);
125 ED_region_tag_redraw(ar);
129 if (ar->type && ar->type->listener)
130 ar->type->listener(ar, note);
133 /* only exported for WM */
134 void ED_area_do_listen(ScrArea *sa, wmNotifier *note)
136 /* no generic notes? */
137 if (sa->type && sa->type->listener) {
138 sa->type->listener(sa, note);
142 /* only exported for WM */
143 void ED_area_do_refresh(bContext *C, ScrArea *sa)
145 /* no generic notes? */
146 if (sa->type && sa->type->refresh) {
147 sa->type->refresh(C, sa);
149 sa->do_refresh = FALSE;
152 /* based on screen region draw tags, set draw tags in azones, and future region tabs etc */
153 /* only exported for WM */
154 void ED_area_overdraw_flush(ScrArea *sa, ARegion *ar)
158 for (az = sa->actionzones.first; az; az = az->next) {
161 xs = (az->x1 + az->x2) / 2;
162 ys = (az->y1 + az->y2) / 2;
165 if (BLI_rcti_isect_pt(&ar->winrct, xs, ys)) {
172 * \brief Corner widgets use for dragging and splitting the view.
174 static void area_draw_azone(short x1, short y1, short x2, short y2)
179 dx = copysign(ceilf(0.3f * fabsf(dx)), dx);
180 dy = copysign(ceilf(0.3f * fabsf(dy)), dy);
183 glEnable(GL_LINE_SMOOTH);
185 glColor4ub(255, 255, 255, 180);
186 fdrawline(x1, y2, x2, y1);
187 glColor4ub(255, 255, 255, 130);
188 fdrawline(x1, y2 - dy, x2 - dx, y1);
189 glColor4ub(255, 255, 255, 80);
190 fdrawline(x1, y2 - 2 * dy, x2 - 2 * dx, y1);
192 glColor4ub(0, 0, 0, 210);
193 fdrawline(x1, y2 + 1, x2 + 1, y1);
194 glColor4ub(0, 0, 0, 180);
195 fdrawline(x1, y2 - dy + 1, x2 - dx + 1, y1);
196 glColor4ub(0, 0, 0, 150);
197 fdrawline(x1, y2 - 2 * dy + 1, x2 - 2 * dx + 1, y1);
199 glDisable(GL_LINE_SMOOTH);
203 static void region_draw_azone_icon(AZone *az)
205 GLUquadricObj *qobj = NULL;
206 short midx = az->x1 + (az->x2 - az->x1) / 2;
207 short midy = az->y1 + (az->y2 - az->y1) / 2;
209 qobj = gluNewQuadric();
212 glTranslatef(midx, midy, 0.0);
214 /* outlined circle */
215 glEnable(GL_LINE_SMOOTH);
217 glColor4f(1.f, 1.f, 1.f, 0.8f);
219 gluQuadricDrawStyle(qobj, GLU_FILL);
220 gluDisk(qobj, 0.0, 4.25f, 16, 1);
222 glColor4f(0.2f, 0.2f, 0.2f, 0.9f);
224 gluQuadricDrawStyle(qobj, GLU_SILHOUETTE);
225 gluDisk(qobj, 0.0, 4.25f, 16, 1);
227 glDisable(GL_LINE_SMOOTH);
230 gluDeleteQuadric(qobj);
233 sdrawline(midx, midy - 2, midx, midy + 3);
234 sdrawline(midx - 2, midy, midx + 3, midy);
237 static void draw_azone_plus(float x1, float y1, float x2, float y2)
239 float width = 0.1f * U.widget_unit;
240 float pad = 0.2f * U.widget_unit;
242 glRectf((x1 + x2 - width) * 0.5f, y1 + pad, (x1 + x2 + width) * 0.5f, y2 - pad);
243 glRectf(x1 + pad, (y1 + y2 - width) * 0.5f, (x1 + x2 - width) * 0.5f, (y1 + y2 + width) * 0.5f);
244 glRectf((x1 + x2 + width) * 0.5f, (y1 + y2 - width) * 0.5f, x2 - pad, (y1 + y2 + width) * 0.5f);
247 static void region_draw_azone_tab_plus(AZone *az)
251 /* add code to draw region hidden as 'too small' */
253 case AE_TOP_TO_BOTTOMRIGHT:
254 uiSetRoundBox(UI_CNR_TOP_LEFT | UI_CNR_TOP_RIGHT);
256 case AE_BOTTOM_TO_TOPLEFT:
257 uiSetRoundBox(UI_CNR_BOTTOM_RIGHT | UI_CNR_BOTTOM_LEFT);
259 case AE_LEFT_TO_TOPRIGHT:
260 uiSetRoundBox(UI_CNR_TOP_LEFT | UI_CNR_BOTTOM_LEFT);
262 case AE_RIGHT_TO_TOPLEFT:
263 uiSetRoundBox(UI_CNR_TOP_RIGHT | UI_CNR_BOTTOM_RIGHT);
267 glColor4f(0.05f, 0.05f, 0.05f, 0.4f);
268 uiRoundBox((float)az->x1, (float)az->y1, (float)az->x2, (float)az->y2, 4.0f);
272 glColor4f(0.8f, 0.8f, 0.8f, 0.4f);
273 draw_azone_plus((float)az->x1, (float)az->y1, (float)az->x2, (float)az->y2);
278 static void region_draw_azone_tab(AZone *az)
283 UI_GetThemeColor3fv(TH_HEADER, col);
284 glColor4f(col[0], col[1], col[2], 0.5f);
286 /* add code to draw region hidden as 'too small' */
288 case AE_TOP_TO_BOTTOMRIGHT:
289 uiSetRoundBox(UI_CNR_TOP_LEFT | UI_CNR_TOP_RIGHT | UI_RB_ALPHA);
291 uiDrawBoxShade(GL_POLYGON, (float)az->x1, (float)az->y1, (float)az->x2, (float)az->y2, 4.0f, -0.3f, 0.05f);
292 glColor4ub(0, 0, 0, 255);
293 uiRoundRect((float)az->x1, 0.3f + (float)az->y1, (float)az->x2, 0.3f + (float)az->y2, 4.0f);
295 case AE_BOTTOM_TO_TOPLEFT:
296 uiSetRoundBox(UI_CNR_BOTTOM_RIGHT | UI_CNR_BOTTOM_LEFT | UI_RB_ALPHA);
298 uiDrawBoxShade(GL_POLYGON, (float)az->x1, (float)az->y1, (float)az->x2, (float)az->y2, 4.0f, -0.3f, 0.05f);
299 glColor4ub(0, 0, 0, 255);
300 uiRoundRect((float)az->x1, 0.3f + (float)az->y1, (float)az->x2, 0.3f + (float)az->y2, 4.0f);
302 case AE_LEFT_TO_TOPRIGHT:
303 uiSetRoundBox(UI_CNR_TOP_LEFT | UI_CNR_BOTTOM_LEFT | UI_RB_ALPHA);
305 uiDrawBoxShade(GL_POLYGON, (float)az->x1, (float)az->y1, (float)az->x2, (float)az->y2, 4.0f, -0.3f, 0.05f);
306 glColor4ub(0, 0, 0, 255);
307 uiRoundRect((float)az->x1, (float)az->y1, (float)az->x2, (float)az->y2, 4.0f);
309 case AE_RIGHT_TO_TOPLEFT:
310 uiSetRoundBox(UI_CNR_TOP_RIGHT | UI_CNR_BOTTOM_RIGHT | UI_RB_ALPHA);
312 uiDrawBoxShade(GL_POLYGON, (float)az->x1, (float)az->y1, (float)az->x2, (float)az->y2, 4.0f, -0.3f, 0.05f);
313 glColor4ub(0, 0, 0, 255);
314 uiRoundRect((float)az->x1, (float)az->y1, (float)az->x2, (float)az->y2, 4.0f);
321 static void region_draw_azone_tria(AZone *az)
324 //UI_GetThemeColor3fv(TH_HEADER, col);
325 glColor4f(0.0f, 0.0f, 0.0f, 0.35f);
327 /* add code to draw region hidden as 'too small' */
329 case AE_TOP_TO_BOTTOMRIGHT:
330 ui_draw_anti_tria((float)az->x1, (float)az->y1, (float)az->x2, (float)az->y1, (float)(az->x1 + az->x2) / 2, (float)az->y2);
333 case AE_BOTTOM_TO_TOPLEFT:
334 ui_draw_anti_tria((float)az->x1, (float)az->y2, (float)az->x2, (float)az->y2, (float)(az->x1 + az->x2) / 2, (float)az->y1);
337 case AE_LEFT_TO_TOPRIGHT:
338 ui_draw_anti_tria((float)az->x2, (float)az->y1, (float)az->x2, (float)az->y2, (float)az->x1, (float)(az->y1 + az->y2) / 2);
341 case AE_RIGHT_TO_TOPLEFT:
342 ui_draw_anti_tria((float)az->x1, (float)az->y1, (float)az->x1, (float)az->y2, (float)az->x2, (float)(az->y1 + az->y2) / 2);
350 /* only exported for WM */
351 void ED_area_overdraw(bContext *C)
353 wmWindow *win = CTX_wm_window(C);
354 bScreen *screen = CTX_wm_screen(C);
357 /* Draw AZones, in screenspace */
358 wmSubWindowSet(win, screen->mainwin);
361 glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
363 for (sa = screen->areabase.first; sa; sa = sa->next) {
365 for (az = sa->actionzones.first; az; az = az->next) {
367 if (az->type == AZONE_AREA) {
368 area_draw_azone(az->x1, az->y1, az->x2, az->y2);
370 else if (az->type == AZONE_REGION) {
373 /* only display tab or icons when the region is hidden */
374 if (az->ar->flag & (RGN_FLAG_HIDDEN | RGN_FLAG_TOO_SMALL)) {
375 if (G.debug_value == 3)
376 region_draw_azone_icon(az);
377 else if (G.debug_value == 2)
378 region_draw_azone_tria(az);
379 else if (G.debug_value == 1)
380 region_draw_azone_tab(az);
382 region_draw_azone_tab_plus(az);
395 /* only exported for WM */
396 /* makes region ready for drawing, sets pixelspace */
397 void ED_region_set(const bContext *C, ARegion *ar)
399 wmWindow *win = CTX_wm_window(C);
400 ScrArea *sa = CTX_wm_area(C);
402 ar->drawrct = ar->winrct;
404 /* note; this sets state, so we can use wmOrtho and friends */
405 wmSubWindowScissorSet(win, ar->swinid, &ar->drawrct);
407 UI_SetTheme(sa ? sa->spacetype : 0, ar->type ? ar->type->regionid : 0);
409 ED_region_pixelspace(ar);
413 /* only exported for WM */
414 void ED_region_do_draw(bContext *C, ARegion *ar)
416 wmWindow *win = CTX_wm_window(C);
417 ScrArea *sa = CTX_wm_area(C);
418 ARegionType *at = ar->type;
420 /* see BKE_spacedata_draw_locks() */
424 /* if no partial draw rect set, full rect */
425 if (ar->drawrct.xmin == ar->drawrct.xmax)
426 ar->drawrct = ar->winrct;
428 /* extra clip for safety (intersect the rects, could use API func) */
429 ar->drawrct.xmin = max_ii(ar->winrct.xmin, ar->drawrct.xmin);
430 ar->drawrct.ymin = max_ii(ar->winrct.ymin, ar->drawrct.ymin);
431 ar->drawrct.xmax = min_ii(ar->winrct.xmax, ar->drawrct.xmax);
432 ar->drawrct.ymax = min_ii(ar->winrct.ymax, ar->drawrct.ymax);
435 /* note; this sets state, so we can use wmOrtho and friends */
436 wmSubWindowScissorSet(win, ar->swinid, &ar->drawrct);
438 UI_SetTheme(sa ? sa->spacetype : 0, ar->type ? ar->type->regionid : 0);
440 /* optional header info instead? */
442 UI_ThemeClearColor(TH_HEADER);
443 glClear(GL_COLOR_BUFFER_BIT);
445 UI_ThemeColor(TH_TEXT);
446 BLF_draw_default(UI_UNIT_X, 0.4f * UI_UNIT_Y, 0.0f, ar->headerstr, BLF_DRAW_STR_DUMMY_MAX);
452 /* XXX test: add convention to end regions always in pixel space, for drawing of borders/gestures etc */
453 ED_region_pixelspace(ar);
455 ED_region_draw_cb_draw(C, ar, REGION_DRAW_POST_PIXEL);
458 memset(&ar->drawrct, 0, sizeof(ar->drawrct));
460 uiFreeInactiveBlocks(C, &ar->uiblocks);
463 region_draw_emboss(ar, &ar->winrct);
466 /* **********************************
467 * maybe silly, but let's try for now
468 * to keep these tags protected
469 * ********************************** */
471 void ED_region_tag_redraw(ARegion *ar)
474 /* zero region means full region redraw */
475 ar->do_draw = RGN_DRAW;
476 memset(&ar->drawrct, 0, sizeof(ar->drawrct));
480 void ED_region_tag_redraw_overlay(ARegion *ar)
483 ar->do_draw_overlay = RGN_DRAW;
486 void ED_region_tag_redraw_partial(ARegion *ar, rcti *rct)
490 /* no redraw set yet, set partial region */
491 ar->do_draw = RGN_DRAW_PARTIAL;
494 else if (ar->drawrct.xmin != ar->drawrct.xmax) {
495 /* partial redraw already set, expand region */
496 BLI_rcti_union(&ar->drawrct, rct);
501 void ED_area_tag_redraw(ScrArea *sa)
506 for (ar = sa->regionbase.first; ar; ar = ar->next)
507 ED_region_tag_redraw(ar);
510 void ED_area_tag_redraw_regiontype(ScrArea *sa, int regiontype)
515 for (ar = sa->regionbase.first; ar; ar = ar->next) {
516 if (ar->regiontype == regiontype) {
517 ED_region_tag_redraw(ar);
523 void ED_area_tag_refresh(ScrArea *sa)
526 sa->do_refresh = TRUE;
529 /* *************************************************************** */
531 /* use NULL to disable it */
532 void ED_area_headerprint(ScrArea *sa, const char *str)
536 /* happens when running transform operators in backround mode */
540 for (ar = sa->regionbase.first; ar; ar = ar->next) {
541 if (ar->regiontype == RGN_TYPE_HEADER) {
543 if (ar->headerstr == NULL)
544 ar->headerstr = MEM_mallocN(256, "headerprint");
545 BLI_strncpy(ar->headerstr, str, 256);
547 else if (ar->headerstr) {
548 MEM_freeN(ar->headerstr);
549 ar->headerstr = NULL;
551 ED_region_tag_redraw(ar);
556 /* ************************************************************ */
559 static void area_azone_initialize(bScreen *screen, ScrArea *sa)
563 /* reinitalize entirely, regions add azones too */
564 BLI_freelistN(&sa->actionzones);
566 if (screen->full != SCREENNORMAL) {
570 /* set area action zones */
571 az = (AZone *)MEM_callocN(sizeof(AZone), "actionzone");
572 BLI_addtail(&(sa->actionzones), az);
573 az->type = AZONE_AREA;
574 az->x1 = sa->totrct.xmin;
575 az->y1 = sa->totrct.ymin;
576 az->x2 = sa->totrct.xmin + (AZONESPOT - 1);
577 az->y2 = sa->totrct.ymin + (AZONESPOT - 1);
578 BLI_rcti_init(&az->rect, az->x1, az->x2, az->y1, az->y2);
580 az = (AZone *)MEM_callocN(sizeof(AZone), "actionzone");
581 BLI_addtail(&(sa->actionzones), az);
582 az->type = AZONE_AREA;
583 az->x1 = sa->totrct.xmax + 1;
584 az->y1 = sa->totrct.ymax + 1;
585 az->x2 = sa->totrct.xmax - (AZONESPOT - 1);
586 az->y2 = sa->totrct.ymax - (AZONESPOT - 1);
587 BLI_rcti_init(&az->rect, az->x1, az->x2, az->y1, az->y2);
590 #define AZONEPAD_EDGE (0.1f * U.widget_unit)
591 #define AZONEPAD_ICON (0.45f * U.widget_unit)
592 static void region_azone_edge(AZone *az, ARegion *ar)
595 case AE_TOP_TO_BOTTOMRIGHT:
596 az->x1 = ar->winrct.xmin;
597 az->y1 = ar->winrct.ymax - AZONEPAD_EDGE;
598 az->x2 = ar->winrct.xmax;
599 az->y2 = ar->winrct.ymax + AZONEPAD_EDGE;
601 case AE_BOTTOM_TO_TOPLEFT:
602 az->x1 = ar->winrct.xmin;
603 az->y1 = ar->winrct.ymin + AZONEPAD_EDGE;
604 az->x2 = ar->winrct.xmax;
605 az->y2 = ar->winrct.ymin - AZONEPAD_EDGE;
607 case AE_LEFT_TO_TOPRIGHT:
608 az->x1 = ar->winrct.xmin - AZONEPAD_EDGE;
609 az->y1 = ar->winrct.ymin;
610 az->x2 = ar->winrct.xmin + AZONEPAD_EDGE;
611 az->y2 = ar->winrct.ymax;
613 case AE_RIGHT_TO_TOPLEFT:
614 az->x1 = ar->winrct.xmax + AZONEPAD_EDGE;
615 az->y1 = ar->winrct.ymin;
616 az->x2 = ar->winrct.xmax - AZONEPAD_EDGE;
617 az->y2 = ar->winrct.ymax;
621 BLI_rcti_init(&az->rect, az->x1, az->x2, az->y1, az->y2);
624 static void region_azone_icon(ScrArea *sa, AZone *az, ARegion *ar)
629 /* count how many actionzones with along same edge are available.
630 * This allows for adding more action zones in the future without
631 * having to worry about correct offset */
632 for (azt = sa->actionzones.first; azt; azt = azt->next) {
633 if (azt->edge == az->edge) tot++;
637 case AE_TOP_TO_BOTTOMRIGHT:
638 az->x1 = ar->winrct.xmax - tot * 2 * AZONEPAD_ICON;
639 az->y1 = ar->winrct.ymax + AZONEPAD_ICON;
640 az->x2 = ar->winrct.xmax - tot * AZONEPAD_ICON;
641 az->y2 = ar->winrct.ymax + 2 * AZONEPAD_ICON;
643 case AE_BOTTOM_TO_TOPLEFT:
644 az->x1 = ar->winrct.xmin + AZONEPAD_ICON;
645 az->y1 = ar->winrct.ymin - 2 * AZONEPAD_ICON;
646 az->x2 = ar->winrct.xmin + 2 * AZONEPAD_ICON;
647 az->y2 = ar->winrct.ymin - AZONEPAD_ICON;
649 case AE_LEFT_TO_TOPRIGHT:
650 az->x1 = ar->winrct.xmin - 2 * AZONEPAD_ICON;
651 az->y1 = ar->winrct.ymax - tot * 2 * AZONEPAD_ICON;
652 az->x2 = ar->winrct.xmin - AZONEPAD_ICON;
653 az->y2 = ar->winrct.ymax - tot * AZONEPAD_ICON;
655 case AE_RIGHT_TO_TOPLEFT:
656 az->x1 = ar->winrct.xmax + AZONEPAD_ICON;
657 az->y1 = ar->winrct.ymax - tot * 2 * AZONEPAD_ICON;
658 az->x2 = ar->winrct.xmax + 2 * AZONEPAD_ICON;
659 az->y2 = ar->winrct.ymax - tot * AZONEPAD_ICON;
663 BLI_rcti_init(&az->rect, az->x1, az->x2, az->y1, az->y2);
665 /* if more azones on 1 spot, set offset */
666 for (azt = sa->actionzones.first; azt; azt = azt->next) {
668 if (ABS(az->x1 - azt->x1) < 2 && ABS(az->y1 - azt->y1) < 2) {
669 if (az->edge == AE_TOP_TO_BOTTOMRIGHT || az->edge == AE_BOTTOM_TO_TOPLEFT) {
677 BLI_rcti_init(&az->rect, az->x1, az->x2, az->y1, az->y2);
683 #define AZONEPAD_TAB_PLUSW (0.7f * U.widget_unit)
684 #define AZONEPAD_TAB_PLUSH (0.7f * U.widget_unit)
686 /* region already made zero sized, in shape of edge */
687 static void region_azone_tab_plus(ScrArea *sa, AZone *az, ARegion *ar)
692 for (azt = sa->actionzones.first; azt; azt = azt->next) {
693 if (azt->edge == az->edge) tot++;
697 case AE_TOP_TO_BOTTOMRIGHT:
698 if (ar->winrct.ymax == sa->totrct.ymin) add = 1; else add = 0;
699 az->x1 = ar->winrct.xmax - 2.5f * AZONEPAD_TAB_PLUSW;
700 az->y1 = ar->winrct.ymax - add;
701 az->x2 = ar->winrct.xmax - 1.5f * AZONEPAD_TAB_PLUSW;
702 az->y2 = ar->winrct.ymax - add + AZONEPAD_TAB_PLUSH;
704 case AE_BOTTOM_TO_TOPLEFT:
705 az->x1 = ar->winrct.xmax - 2.5f * AZONEPAD_TAB_PLUSW;
706 az->y1 = ar->winrct.ymin - AZONEPAD_TAB_PLUSH;
707 az->x2 = ar->winrct.xmax - 1.5f * AZONEPAD_TAB_PLUSW;
708 az->y2 = ar->winrct.ymin;
710 case AE_LEFT_TO_TOPRIGHT:
711 az->x1 = ar->winrct.xmin - AZONEPAD_TAB_PLUSH;
712 az->y1 = ar->winrct.ymax - 2.5f * AZONEPAD_TAB_PLUSW;
713 az->x2 = ar->winrct.xmin;
714 az->y2 = ar->winrct.ymax - 1.5f * AZONEPAD_TAB_PLUSW;
716 case AE_RIGHT_TO_TOPLEFT:
717 az->x1 = ar->winrct.xmax - 1;
718 az->y1 = ar->winrct.ymax - 2.5f * AZONEPAD_TAB_PLUSW;
719 az->x2 = ar->winrct.xmax - 1 + AZONEPAD_TAB_PLUSH;
720 az->y2 = ar->winrct.ymax - 1.5f * AZONEPAD_TAB_PLUSW;
723 /* rect needed for mouse pointer test */
724 BLI_rcti_init(&az->rect, az->x1, az->x2, az->y1, az->y2);
728 #define AZONEPAD_TABW (0.9f * U.widget_unit)
729 #define AZONEPAD_TABH (0.35f * U.widget_unit)
731 /* region already made zero sized, in shape of edge */
732 static void region_azone_tab(ScrArea *sa, AZone *az, ARegion *ar)
737 for (azt = sa->actionzones.first; azt; azt = azt->next) {
738 if (azt->edge == az->edge) tot++;
742 case AE_TOP_TO_BOTTOMRIGHT:
743 if (ar->winrct.ymax == sa->totrct.ymin) add = 1; else add = 0;
744 az->x1 = ar->winrct.xmax - 2 * AZONEPAD_TABW;
745 az->y1 = ar->winrct.ymax - add;
746 az->x2 = ar->winrct.xmax - AZONEPAD_TABW;
747 az->y2 = ar->winrct.ymax - add + AZONEPAD_TABH;
749 case AE_BOTTOM_TO_TOPLEFT:
750 az->x1 = ar->winrct.xmin + AZONEPAD_TABW;
751 az->y1 = ar->winrct.ymin - AZONEPAD_TABH;
752 az->x2 = ar->winrct.xmin + 2 * AZONEPAD_TABW;
753 az->y2 = ar->winrct.ymin;
755 case AE_LEFT_TO_TOPRIGHT:
756 az->x1 = ar->winrct.xmin + 1 - AZONEPAD_TABH;
757 az->y1 = ar->winrct.ymax - 2 * AZONEPAD_TABW;
758 az->x2 = ar->winrct.xmin + 1;
759 az->y2 = ar->winrct.ymax - AZONEPAD_TABW;
761 case AE_RIGHT_TO_TOPLEFT:
762 az->x1 = ar->winrct.xmax - 1;
763 az->y1 = ar->winrct.ymax - 2 * AZONEPAD_TABW;
764 az->x2 = ar->winrct.xmax - 1 + AZONEPAD_TABH;
765 az->y2 = ar->winrct.ymax - AZONEPAD_TABW;
768 /* rect needed for mouse pointer test */
769 BLI_rcti_init(&az->rect, az->x1, az->x2, az->y1, az->y2);
772 #define AZONEPAD_TRIAW (0.8f * U.widget_unit)
773 #define AZONEPAD_TRIAH (0.45f * U.widget_unit)
776 /* region already made zero sized, in shape of edge */
777 static void region_azone_tria(ScrArea *sa, AZone *az, ARegion *ar)
782 for (azt = sa->actionzones.first; azt; azt = azt->next) {
783 if (azt->edge == az->edge) tot++;
787 case AE_TOP_TO_BOTTOMRIGHT:
788 if (ar->winrct.ymax == sa->totrct.ymin) add = 1; else add = 0;
789 az->x1 = ar->winrct.xmax - 2 * AZONEPAD_TRIAW;
790 az->y1 = ar->winrct.ymax - add;
791 az->x2 = ar->winrct.xmax - AZONEPAD_TRIAW;
792 az->y2 = ar->winrct.ymax - add + AZONEPAD_TRIAH;
794 case AE_BOTTOM_TO_TOPLEFT:
795 az->x1 = ar->winrct.xmin + AZONEPAD_TRIAW;
796 az->y1 = ar->winrct.ymin - AZONEPAD_TRIAH;
797 az->x2 = ar->winrct.xmin + 2 * AZONEPAD_TRIAW;
798 az->y2 = ar->winrct.ymin;
800 case AE_LEFT_TO_TOPRIGHT:
801 az->x1 = ar->winrct.xmin + 1 - AZONEPAD_TRIAH;
802 az->y1 = ar->winrct.ymax - 2 * AZONEPAD_TRIAW;
803 az->x2 = ar->winrct.xmin + 1;
804 az->y2 = ar->winrct.ymax - AZONEPAD_TRIAW;
806 case AE_RIGHT_TO_TOPLEFT:
807 az->x1 = ar->winrct.xmax - 1;
808 az->y1 = ar->winrct.ymax - 2 * AZONEPAD_TRIAW;
809 az->x2 = ar->winrct.xmax - 1 + AZONEPAD_TRIAH;
810 az->y2 = ar->winrct.ymax - AZONEPAD_TRIAW;
813 /* rect needed for mouse pointer test */
814 BLI_rcti_init(&az->rect, az->x1, az->x2, az->y1, az->y2);
818 static void region_azone_initialize(ScrArea *sa, ARegion *ar, AZEdge edge)
822 az = (AZone *)MEM_callocN(sizeof(AZone), "actionzone");
823 BLI_addtail(&(sa->actionzones), az);
824 az->type = AZONE_REGION;
828 if (ar->flag & (RGN_FLAG_HIDDEN | RGN_FLAG_TOO_SMALL)) {
829 if (G.debug_value == 3)
830 region_azone_icon(sa, az, ar);
831 else if (G.debug_value == 2)
832 region_azone_tria(sa, az, ar);
833 else if (G.debug_value == 1)
834 region_azone_tab(sa, az, ar);
836 region_azone_tab_plus(sa, az, ar);
839 region_azone_edge(az, ar);
845 /* *************************************************************** */
847 static void region_azone_add(ScrArea *sa, ARegion *ar, int alignment)
849 /* edge code (t b l r) is along which area edge azone will be drawn */
851 if (alignment == RGN_ALIGN_TOP)
852 region_azone_initialize(sa, ar, AE_BOTTOM_TO_TOPLEFT);
853 else if (alignment == RGN_ALIGN_BOTTOM)
854 region_azone_initialize(sa, ar, AE_TOP_TO_BOTTOMRIGHT);
855 else if (alignment == RGN_ALIGN_RIGHT)
856 region_azone_initialize(sa, ar, AE_LEFT_TO_TOPRIGHT);
857 else if (alignment == RGN_ALIGN_LEFT)
858 region_azone_initialize(sa, ar, AE_RIGHT_TO_TOPLEFT);
861 /* dir is direction to check, not the splitting edge direction! */
862 static int rct_fits(rcti *rect, char dir, int size)
865 return BLI_rcti_size_x(rect) - size;
868 return BLI_rcti_size_y(rect) - size;
872 /* *************************************************************** */
874 /* ar should be overlapping */
875 /* function checks if some overlapping region was defined before - on same place */
876 static void region_overlap_fix(ScrArea *sa, ARegion *ar)
878 ARegion *ar1 = ar->prev;
880 /* find overlapping previous region on same place */
883 if ((ar1->alignment & RGN_SPLIT_PREV) == 0)
884 if (BLI_rcti_isect(&ar1->winrct, &ar->winrct, NULL))
890 /* translate or close */
892 int align1 = ar1->alignment & ~RGN_SPLIT_PREV;
894 if (align1 == RGN_ALIGN_LEFT) {
895 if (ar->winrct.xmax + ar1->winx > sa->winx - U.widget_unit)
896 ar->flag |= RGN_FLAG_TOO_SMALL;
898 BLI_rcti_translate(&ar->winrct, ar1->winx, 0);
900 else if (align1 == RGN_ALIGN_RIGHT) {
901 if (ar->winrct.xmin - ar1->winx < U.widget_unit)
902 ar->flag |= RGN_FLAG_TOO_SMALL;
904 BLI_rcti_translate(&ar->winrct, -ar1->winx, 0);
912 /* overlapping regions only in the following restricted cases */
913 static int region_is_overlap(wmWindow *win, ScrArea *sa, ARegion *ar)
915 if (U.uiflag2 & USER_REGION_OVERLAP)
916 if (WM_is_draw_triple(win))
917 if (ELEM4(sa->spacetype, SPACE_VIEW3D, SPACE_IMAGE, SPACE_SEQ, SPACE_CLIP))
918 if (ELEM3(ar->regiontype, RGN_TYPE_TOOLS, RGN_TYPE_UI, RGN_TYPE_TOOL_PROPS))
923 static void region_rect_recursive(wmWindow *win, ScrArea *sa, ARegion *ar, rcti *remainder, int quad)
925 rcti *remainder_prev = remainder;
926 int prefsizex, prefsizey;
932 /* no returns in function, winrct gets set in the end again */
933 BLI_rcti_init(&ar->winrct, 0, 0, 0, 0);
935 /* for test; allow split of previously defined region */
936 if (ar->alignment & RGN_SPLIT_PREV)
938 remainder = &ar->prev->winrct;
940 alignment = ar->alignment & ~RGN_SPLIT_PREV;
942 /* set here, assuming userpref switching forces to call this again */
943 ar->overlap = region_is_overlap(win, sa, ar);
945 /* clear state flags first */
946 ar->flag &= ~RGN_FLAG_TOO_SMALL;
948 if (ar->next == NULL && alignment != RGN_ALIGN_QSPLIT)
949 alignment = RGN_ALIGN_NONE;
951 /* prefsize, for header we stick to exception (prevent dpi rounding error) */
952 prefsizex = UI_DPI_FAC * (ar->sizex > 1 ? ar->sizex + 0.5f : ar->type->prefsizex);
954 if (ar->regiontype == RGN_TYPE_HEADER) {
955 prefsizey = ED_area_headersize();
957 else if (ar->regiontype == RGN_TYPE_UI && sa->spacetype == SPACE_FILE) {
958 prefsizey = UI_UNIT_Y * 2 + (UI_UNIT_Y / 2);
961 prefsizey = UI_DPI_FAC * (ar->sizey > 1 ? ar->sizey + 0.5f : ar->type->prefsizey);
965 if (ar->flag & RGN_FLAG_HIDDEN) {
966 /* hidden is user flag */
968 else if (alignment == RGN_ALIGN_FLOAT) {
969 /* XXX floating area region, not handled yet here */
971 else if (rct_fits(remainder, 'v', 1) < 0 || rct_fits(remainder, 'h', 1) < 0) {
972 /* remainder is too small for any usage */
973 ar->flag |= RGN_FLAG_TOO_SMALL;
975 else if (alignment == RGN_ALIGN_NONE) {
976 /* typically last region */
977 ar->winrct = *remainder;
978 BLI_rcti_init(remainder, 0, 0, 0, 0);
980 else if (alignment == RGN_ALIGN_TOP || alignment == RGN_ALIGN_BOTTOM) {
982 if (rct_fits(remainder, 'v', prefsizey) < 0) {
983 ar->flag |= RGN_FLAG_TOO_SMALL;
986 int fac = rct_fits(remainder, 'v', prefsizey);
991 ar->winrct = *remainder;
993 if (alignment == RGN_ALIGN_TOP) {
994 ar->winrct.ymin = ar->winrct.ymax - prefsizey + 1;
995 remainder->ymax = ar->winrct.ymin - 1;
998 ar->winrct.ymax = ar->winrct.ymin + prefsizey - 1;
999 remainder->ymin = ar->winrct.ymax + 1;
1003 else if (ELEM(alignment, RGN_ALIGN_LEFT, RGN_ALIGN_RIGHT)) {
1005 if (rct_fits(remainder, 'h', prefsizex) < 0) {
1006 ar->flag |= RGN_FLAG_TOO_SMALL;
1009 int fac = rct_fits(remainder, 'h', prefsizex);
1014 ar->winrct = *remainder;
1016 if (alignment == RGN_ALIGN_RIGHT) {
1017 ar->winrct.xmin = ar->winrct.xmax - prefsizex + 1;
1018 if (ar->overlap == 0)
1019 remainder->xmax = ar->winrct.xmin - 1;
1022 ar->winrct.xmax = ar->winrct.xmin + prefsizex - 1;
1023 if (ar->overlap == 0)
1024 remainder->xmin = ar->winrct.xmax + 1;
1028 else if (alignment == RGN_ALIGN_VSPLIT || alignment == RGN_ALIGN_HSPLIT) {
1029 /* percentage subdiv*/
1030 ar->winrct = *remainder;
1032 if (alignment == RGN_ALIGN_HSPLIT) {
1033 if (rct_fits(remainder, 'h', prefsizex) > 4) {
1034 ar->winrct.xmax = BLI_rcti_cent_x(remainder);
1035 remainder->xmin = ar->winrct.xmax + 1;
1038 BLI_rcti_init(remainder, 0, 0, 0, 0);
1042 if (rct_fits(remainder, 'v', prefsizey) > 4) {
1043 ar->winrct.ymax = BLI_rcti_cent_y(remainder);
1044 remainder->ymin = ar->winrct.ymax + 1;
1047 BLI_rcti_init(remainder, 0, 0, 0, 0);
1051 else if (alignment == RGN_ALIGN_QSPLIT) {
1052 ar->winrct = *remainder;
1054 /* test if there's still 4 regions left */
1056 ARegion *artest = ar->next;
1060 artest->alignment = RGN_ALIGN_QSPLIT;
1061 artest = artest->next;
1066 /* let's stop adding regions */
1067 BLI_rcti_init(remainder, 0, 0, 0, 0);
1068 if (G.debug & G_DEBUG)
1069 printf("region quadsplit failed\n");
1076 if (quad == 1) { /* left bottom */
1077 ar->winrct.xmax = BLI_rcti_cent_x(remainder);
1078 ar->winrct.ymax = BLI_rcti_cent_y(remainder);
1080 else if (quad == 2) { /* left top */
1081 ar->winrct.xmax = BLI_rcti_cent_x(remainder);
1082 ar->winrct.ymin = BLI_rcti_cent_y(remainder) + 1;
1084 else if (quad == 3) { /* right bottom */
1085 ar->winrct.xmin = BLI_rcti_cent_x(remainder) + 1;
1086 ar->winrct.ymax = BLI_rcti_cent_y(remainder);
1088 else { /* right top */
1089 ar->winrct.xmin = BLI_rcti_cent_x(remainder) + 1;
1090 ar->winrct.ymin = BLI_rcti_cent_y(remainder) + 1;
1091 BLI_rcti_init(remainder, 0, 0, 0, 0);
1099 ar->winx = BLI_rcti_size_x(&ar->winrct) + 1;
1100 ar->winy = BLI_rcti_size_y(&ar->winrct) + 1;
1102 /* if region opened normally, we store this for hide/reveal usage */
1103 /* prevent rounding errors for UI_DPI_FAC mult and divide */
1104 if (ar->winx > 1) ar->sizex = (ar->winx + 0.5f) / UI_DPI_FAC;
1105 if (ar->winy > 1) ar->sizey = (ar->winy + 0.5f) / UI_DPI_FAC;
1107 /* exception for multiple overlapping regions on same spot */
1109 region_overlap_fix(sa, ar);
1111 /* set winrect for azones */
1112 if (ar->flag & (RGN_FLAG_HIDDEN | RGN_FLAG_TOO_SMALL)) {
1113 ar->winrct = *remainder;
1115 if (alignment == RGN_ALIGN_TOP)
1116 ar->winrct.ymin = ar->winrct.ymax;
1117 else if (alignment == RGN_ALIGN_BOTTOM)
1118 ar->winrct.ymax = ar->winrct.ymin;
1119 else if (alignment == RGN_ALIGN_RIGHT)
1120 ar->winrct.xmin = ar->winrct.xmax;
1121 else if (alignment == RGN_ALIGN_LEFT)
1122 ar->winrct.xmax = ar->winrct.xmin;
1123 else /* prevent winrct to be valid */
1124 ar->winrct.xmax = ar->winrct.xmin;
1127 /* restore prev-split exception */
1128 if (ar->alignment & RGN_SPLIT_PREV) {
1130 remainder = remainder_prev;
1131 ar->prev->winx = BLI_rcti_size_x(&ar->prev->winrct) + 1;
1132 ar->prev->winy = BLI_rcti_size_y(&ar->prev->winrct) + 1;
1136 /* in end, add azones, where appropriate */
1137 if (ar->regiontype == RGN_TYPE_HEADER && ar->winy + 6 > sa->winy) {
1138 /* The logic for this is: when the header takes up the full area,
1139 * disallow hiding it to view the main window.
1141 * Without this, you can drag down the file selectors header and hide it
1142 * by accident very easily (highly annoying!), the value 6 is arbitrary
1143 * but accounts for small common rounding problems when scaling the UI,
1144 * must be minimum '4' */
1147 region_azone_add(sa, ar, alignment);
1150 region_rect_recursive(win, sa, ar->next, remainder, quad);
1153 static void area_calc_totrct(ScrArea *sa, int sizex, int sizey)
1155 short rt = U.pixelsize > 1.0f ? 1 : 0;
1157 if (sa->v1->vec.x > 0) sa->totrct.xmin = sa->v1->vec.x + 1 + rt;
1158 else sa->totrct.xmin = sa->v1->vec.x;
1159 if (sa->v4->vec.x < sizex - 1) sa->totrct.xmax = sa->v4->vec.x - 1 - rt;
1160 else sa->totrct.xmax = sa->v4->vec.x;
1162 if (sa->v1->vec.y > 0) sa->totrct.ymin = sa->v1->vec.y + 1 + rt;
1163 else sa->totrct.ymin = sa->v1->vec.y;
1164 if (sa->v2->vec.y < sizey - 1) sa->totrct.ymax = sa->v2->vec.y - 1 - rt;
1165 else sa->totrct.ymax = sa->v2->vec.y;
1168 sa->winx = BLI_rcti_size_x(&sa->totrct) + 1;
1169 sa->winy = BLI_rcti_size_y(&sa->totrct) + 1;
1173 /* used for area initialize below */
1174 static void region_subwindow(wmWindow *win, ARegion *ar)
1176 if (ar->flag & (RGN_FLAG_HIDDEN | RGN_FLAG_TOO_SMALL)) {
1178 wm_subwindow_close(win, ar->swinid);
1181 else if (ar->swinid == 0)
1182 ar->swinid = wm_subwindow_open(win, &ar->winrct);
1184 wm_subwindow_position(win, ar->swinid, &ar->winrct);
1187 static void ed_default_handlers(wmWindowManager *wm, ScrArea *sa, ListBase *handlers, int flag)
1189 /* note, add-handler checks if it already exists */
1191 /* XXX it would be good to have boundbox checks for some of these... */
1192 if (flag & ED_KEYMAP_UI) {
1193 /* user interface widgets */
1194 UI_add_region_handlers(handlers);
1196 if (flag & ED_KEYMAP_VIEW2D) {
1197 /* 2d-viewport handling+manipulation */
1198 wmKeyMap *keymap = WM_keymap_find(wm->defaultconf, "View2D", 0, 0);
1199 WM_event_add_keymap_handler(handlers, keymap);
1201 if (flag & ED_KEYMAP_MARKERS) {
1203 wmKeyMap *keymap = WM_keymap_find(wm->defaultconf, "Markers", 0, 0);
1205 /* time space only has this keymap, the others get a boundbox restricted map */
1206 if (sa->spacetype != SPACE_TIME) {
1208 static rcti rect = {0, 10000, 0, 30}; /* same local check for all areas */
1209 ar = BKE_area_find_region_type(sa, RGN_TYPE_WINDOW);
1211 WM_event_add_keymap_handler_bb(handlers, keymap, &rect, &ar->winrct);
1215 WM_event_add_keymap_handler(handlers, keymap);
1217 if (flag & ED_KEYMAP_ANIMATION) {
1218 /* frame changing and timeline operators (for time spaces) */
1219 wmKeyMap *keymap = WM_keymap_find(wm->defaultconf, "Animation", 0, 0);
1220 WM_event_add_keymap_handler(handlers, keymap);
1222 if (flag & ED_KEYMAP_FRAMES) {
1223 /* frame changing/jumping (for all spaces) */
1224 wmKeyMap *keymap = WM_keymap_find(wm->defaultconf, "Frames", 0, 0);
1225 WM_event_add_keymap_handler(handlers, keymap);
1227 if (flag & ED_KEYMAP_GPENCIL) {
1229 wmKeyMap *keymap = WM_keymap_find(wm->defaultconf, "Grease Pencil", 0, 0);
1230 WM_event_add_keymap_handler(handlers, keymap);
1232 if (flag & ED_KEYMAP_HEADER) {
1233 /* standard keymap for headers regions */
1234 wmKeyMap *keymap = WM_keymap_find(wm->defaultconf, "Header", 0, 0);
1235 WM_event_add_keymap_handler(handlers, keymap);
1240 /* called in screen_refresh, or screens_init, also area size changes */
1241 void ED_area_initialize(wmWindowManager *wm, wmWindow *win, ScrArea *sa)
1246 /* set typedefinitions */
1247 sa->type = BKE_spacetype_from_id(sa->spacetype);
1249 if (sa->type == NULL) {
1250 sa->butspacetype = sa->spacetype = SPACE_VIEW3D;
1251 sa->type = BKE_spacetype_from_id(sa->spacetype);
1254 for (ar = sa->regionbase.first; ar; ar = ar->next)
1255 ar->type = BKE_regiontype_from_id(sa->type, ar->regiontype);
1258 area_calc_totrct(sa, WM_window_pixels_x(win), WM_window_pixels_y(win));
1260 /* clear all azones, add the area triange widgets */
1261 area_azone_initialize(win->screen, sa);
1263 /* region rect sizes */
1265 region_rect_recursive(win, sa, sa->regionbase.first, &rect, 0);
1267 /* default area handlers */
1268 ed_default_handlers(wm, sa, &sa->handlers, sa->type->keymapflag);
1269 /* checks spacedata, adds own handlers */
1271 sa->type->init(wm, sa);
1273 /* region windows, default and own handlers */
1274 for (ar = sa->regionbase.first; ar; ar = ar->next) {
1275 region_subwindow(win, ar);
1278 /* default region handlers */
1279 ed_default_handlers(wm, sa, &ar->handlers, ar->type->keymapflag);
1282 ar->type->init(wm, ar);
1285 /* prevent uiblocks to run */
1286 uiFreeBlocks(NULL, &ar->uiblocks);
1291 /* externally called for floating regions like menus */
1292 void ED_region_init(bContext *C, ARegion *ar)
1294 // ARegionType *at = ar->type;
1296 /* refresh can be called before window opened */
1297 region_subwindow(CTX_wm_window(C), ar);
1299 ar->winx = BLI_rcti_size_x(&ar->winrct) + 1;
1300 ar->winy = BLI_rcti_size_y(&ar->winrct) + 1;
1302 /* v2d mask is used to subtract scrollbars from a 2d view. Needs initialize here. */
1303 BLI_rcti_init(&ar->v2d.mask, 0, ar->winx - 1, 0, ar->winy -1);
1306 wmOrtho2(-0.01f, ar->winx - 0.01f, -0.01f, ar->winy - 0.01f);
1310 /* for quick toggle, can skip fades */
1311 void region_toggle_hidden(bContext *C, ARegion *ar, int do_fade)
1313 ScrArea *sa = CTX_wm_area(C);
1315 ar->flag ^= RGN_FLAG_HIDDEN;
1317 if (do_fade && ar->overlap) {
1318 /* starts a timer, and in end calls the stuff below itself (region_sblend_invoke()) */
1319 region_blend_start(C, sa, ar);
1322 if (ar->flag & RGN_FLAG_HIDDEN)
1323 WM_event_remove_handlers(C, &ar->handlers);
1325 ED_area_initialize(CTX_wm_manager(C), CTX_wm_window(C), sa);
1326 ED_area_tag_redraw(sa);
1330 /* exported to all editors, uses fading default */
1331 void ED_region_toggle_hidden(bContext *C, ARegion *ar)
1333 region_toggle_hidden(C, ar, 1);
1336 /* sa2 to sa1, we swap spaces for fullscreen to keep all allocated data */
1337 /* area vertices were set */
1338 void area_copy_data(ScrArea *sa1, ScrArea *sa2, int swap_space)
1342 int spacetype = sa1->spacetype;
1344 sa1->headertype = sa2->headertype;
1345 sa1->spacetype = sa2->spacetype;
1346 sa1->butspacetype = sa2->butspacetype;
1348 if (swap_space == 1) {
1349 SWAP(ListBase, sa1->spacedata, sa2->spacedata);
1350 /* exception: ensure preview is reset */
1351 // if (sa1->spacetype == SPACE_VIEW3D)
1352 // XXX BIF_view3d_previewrender_free(sa1->spacedata.first);
1354 else if (swap_space == 2) {
1355 BKE_spacedata_copylist(&sa1->spacedata, &sa2->spacedata);
1358 BKE_spacedata_freelist(&sa1->spacedata);
1359 BKE_spacedata_copylist(&sa1->spacedata, &sa2->spacedata);
1362 /* Note; SPACE_EMPTY is possible on new screens */
1365 if (swap_space == 1) {
1366 SWAP(ListBase, sa1->regionbase, sa2->regionbase);
1369 if (swap_space < 2) {
1370 st = BKE_spacetype_from_id(spacetype);
1371 for (ar = sa1->regionbase.first; ar; ar = ar->next)
1372 BKE_area_region_free(st, ar);
1373 BLI_freelistN(&sa1->regionbase);
1376 st = BKE_spacetype_from_id(sa2->spacetype);
1377 for (ar = sa2->regionbase.first; ar; ar = ar->next) {
1378 ARegion *newar = BKE_area_region_copy(st, ar);
1379 BLI_addtail(&sa1->regionbase, newar);
1384 /* *********** Space switching code *********** */
1386 void ED_area_swapspace(bContext *C, ScrArea *sa1, ScrArea *sa2)
1388 ScrArea *tmp = MEM_callocN(sizeof(ScrArea), "addscrarea");
1390 ED_area_exit(C, sa1);
1391 ED_area_exit(C, sa2);
1393 area_copy_data(tmp, sa1, 2);
1394 area_copy_data(sa1, sa2, 0);
1395 area_copy_data(sa2, tmp, 0);
1396 ED_area_initialize(CTX_wm_manager(C), CTX_wm_window(C), sa1);
1397 ED_area_initialize(CTX_wm_manager(C), CTX_wm_window(C), sa2);
1399 BKE_screen_area_free(tmp);
1402 /* tell WM to refresh, cursor types etc */
1403 WM_event_add_mousemove(C);
1405 ED_area_tag_redraw(sa1);
1406 ED_area_tag_refresh(sa1);
1407 ED_area_tag_redraw(sa2);
1408 ED_area_tag_refresh(sa2);
1411 void ED_area_newspace(bContext *C, ScrArea *sa, int type)
1413 if (sa->spacetype != type) {
1418 ED_area_exit(C, sa);
1420 st = BKE_spacetype_from_id(type);
1421 slold = sa->spacedata.first;
1423 sa->spacetype = type;
1424 sa->butspacetype = type;
1427 /* check previously stored space */
1428 for (sl = sa->spacedata.first; sl; sl = sl->next)
1429 if (sl->spacetype == type)
1432 /* old spacedata... happened during work on 2.50, remove */
1433 if (sl && sl->regionbase.first == NULL) {
1435 BLI_freelinkN(&sa->spacedata, sl);
1445 slold->regionbase = sa->regionbase;
1446 sa->regionbase = sl->regionbase;
1447 sl->regionbase.first = sl->regionbase.last = NULL;
1449 /* put in front of list */
1450 BLI_remlink(&sa->spacedata, sl);
1451 BLI_addhead(&sa->spacedata, sl);
1457 BLI_addhead(&sa->spacedata, sl);
1461 slold->regionbase = sa->regionbase;
1462 sa->regionbase = sl->regionbase;
1463 sl->regionbase.first = sl->regionbase.last = NULL;
1467 ED_area_initialize(CTX_wm_manager(C), CTX_wm_window(C), sa);
1469 /* tell WM to refresh, cursor types etc */
1470 WM_event_add_mousemove(C);
1472 /* send space change notifier */
1473 WM_event_add_notifier(C, NC_SPACE | ND_SPACE_CHANGED, sa);
1475 ED_area_tag_refresh(sa);
1478 /* also redraw when re-used */
1479 ED_area_tag_redraw(sa);
1482 void ED_area_prevspace(bContext *C, ScrArea *sa)
1484 SpaceLink *sl = (sa) ? sa->spacedata.first : CTX_wm_space_data(C);
1486 if (sl && sl->next) {
1487 /* workaround for case of double prevspace, render window
1488 * with a file browser on top of it */
1489 if (sl->next->spacetype == SPACE_FILE && sl->next->next)
1490 ED_area_newspace(C, sa, sl->next->next->spacetype);
1492 ED_area_newspace(C, sa, sl->next->spacetype);
1498 ED_area_tag_redraw(sa);
1500 /* send space change notifier */
1501 WM_event_add_notifier(C, NC_SPACE | ND_SPACE_CHANGED, sa);
1504 static const char *editortype_pup(void)
1506 const char *types = N_(
1519 "|UV/Image Editor %x6"
1521 "|Video Sequence Editor %x8"
1522 "|Movie Clip Editor %x20"
1525 "|Logic Editor %x17"
1531 "|User Preferences %x19"
1540 "|Python Console %x18"
1543 return IFACE_(types);
1546 static void spacefunc(struct bContext *C, void *UNUSED(arg1), void *UNUSED(arg2))
1548 ED_area_newspace(C, CTX_wm_area(C), CTX_wm_area(C)->butspacetype);
1549 ED_area_tag_redraw(CTX_wm_area(C));
1551 /* send space change notifier */
1552 WM_event_add_notifier(C, NC_SPACE | ND_SPACE_CHANGED, CTX_wm_area(C));
1555 /* returns offset for next button in header */
1556 int ED_area_header_switchbutton(const bContext *C, uiBlock *block, int yco)
1558 ScrArea *sa = CTX_wm_area(C);
1560 int xco = 0.4 * U.widget_unit;
1562 but = uiDefIconTextButC(block, ICONTEXTROW, 0, ICON_VIEW3D,
1563 editortype_pup(), xco, yco, 1.5 * U.widget_unit, U.widget_unit,
1564 &(sa->butspacetype), 1.0, SPACEICONMAX, 0, 0,
1565 TIP_("Display current editor type (click for a menu of available types)"));
1566 uiButSetFunc(but, spacefunc, NULL, NULL);
1567 uiButClearFlag(but, UI_BUT_UNDO); /* skip undo on screen buttons */
1569 return xco + 1.7 * U.widget_unit;
1572 int ED_area_header_standardbuttons(const bContext *C, uiBlock *block, int yco)
1574 ScrArea *sa = CTX_wm_area(C);
1575 int xco = 0.4 * U.widget_unit;
1579 xco = ED_area_header_switchbutton(C, block, yco);
1581 uiBlockSetEmboss(block, UI_EMBOSSN);
1583 if (sa->flag & HEADER_NO_PULLDOWN) {
1584 but = uiDefIconButBitS(block, TOG, HEADER_NO_PULLDOWN, 0,
1585 ICON_DISCLOSURE_TRI_RIGHT,
1586 xco, yco, U.widget_unit, U.widget_unit * 0.9f,
1587 &(sa->flag), 0, 0, 0, 0,
1588 TIP_("Show pulldown menus"));
1591 but = uiDefIconButBitS(block, TOG, HEADER_NO_PULLDOWN, 0,
1592 ICON_DISCLOSURE_TRI_DOWN,
1593 xco, yco, U.widget_unit, U.widget_unit * 0.9f,
1594 &(sa->flag), 0, 0, 0, 0,
1595 TIP_("Hide pulldown menus"));
1598 uiButClearFlag(but, UI_BUT_UNDO); /* skip undo on screen buttons */
1600 uiBlockSetEmboss(block, UI_EMBOSS);
1602 return xco + U.widget_unit;
1605 /************************ standard UI regions ************************/
1607 void ED_region_panels(const bContext *C, ARegion *ar, int vertical, const char *context, int contextnr)
1609 ScrArea *sa = CTX_wm_area(C);
1610 uiStyle *style = UI_GetStyleDraw();
1614 View2D *v2d = &ar->v2d;
1615 View2DScrollers *scrollers;
1616 int x, y, xco, yco, w, em, triangle, open, newcontext = 0;
1621 newcontext = UI_view2d_tab_set(v2d, contextnr);
1623 /* before setting the view */
1625 /* only allow scrolling in vertical direction */
1626 v2d->keepofs |= V2D_LOCKOFS_X | V2D_KEEPOFS_Y;
1627 v2d->keepofs &= ~(V2D_LOCKOFS_Y | V2D_KEEPOFS_X);
1628 v2d->scroll &= ~(V2D_SCROLL_BOTTOM);
1629 v2d->scroll |= (V2D_SCROLL_RIGHT);
1632 /* for now, allow scrolling in both directions (since layouts are optimized for vertical,
1633 * they often don't fit in horizontal layout)
1635 v2d->keepofs &= ~(V2D_LOCKOFS_X | V2D_LOCKOFS_Y | V2D_KEEPOFS_X | V2D_KEEPOFS_Y);
1636 v2d->scroll |= (V2D_SCROLL_BOTTOM);
1637 v2d->scroll &= ~(V2D_SCROLL_RIGHT);
1640 scroll = v2d->scroll;
1642 /* sortof hack - but we cannot predict the height of panels, until it's being generated */
1643 /* the layout engine works with fixed width (from v2d->cur), which is being set at end of the loop */
1644 /* in case scroller settings (hide flags) differ from previous, the whole loop gets done again */
1645 for (redo = 2; redo > 0; redo--) {
1648 w = BLI_rctf_size_x(&v2d->cur);
1649 em = (ar->type->prefsizex) ? UI_UNIT_Y / 2 : UI_UNIT_Y;
1653 em = (ar->type->prefsizex) ? UI_UNIT_Y / 2 : UI_UNIT_Y;
1657 uiBeginPanels(C, ar);
1659 /* set view2d view matrix - uiBeginBlock() stores it */
1660 UI_view2d_view_ortho(v2d);
1662 for (pt = ar->type->paneltypes.first; pt; pt = pt->next) {
1663 /* verify context */
1665 if (pt->context[0] && strcmp(context, pt->context) != 0)
1669 if (pt->draw && (!pt->poll || pt->poll(C, pt))) {
1670 block = uiBeginBlock(C, ar, pt->idname, UI_EMBOSS);
1671 panel = uiBeginPanel(sa, ar, block, pt, &open);
1673 /* bad fixed values */
1674 triangle = (int)(UI_UNIT_Y * 1.1f);
1676 if (pt->draw_header && !(pt->flag & PNL_NO_HEADER) && (open || vertical)) {
1677 /* for enabled buttons */
1678 panel->layout = uiBlockLayout(block, UI_LAYOUT_HORIZONTAL, UI_LAYOUT_HEADER,
1679 triangle, (UI_UNIT_Y * 1.1f) + style->panelspace, UI_UNIT_Y, 1, style);
1681 pt->draw_header(C, panel);
1683 uiBlockLayoutResolve(block, &xco, &yco);
1684 panel->labelofs = xco - triangle;
1685 panel->layout = NULL;
1688 panel->labelofs = 0;
1694 /* panel context can either be toolbar region or normal panels region */
1695 if (ar->regiontype == RGN_TYPE_TOOLS)
1696 panelContext = UI_LAYOUT_TOOLBAR;
1698 panelContext = UI_LAYOUT_PANEL;
1700 panel->layout = uiBlockLayout(block, UI_LAYOUT_VERTICAL, panelContext,
1701 style->panelspace, 0, w - 2 * style->panelspace, em, style);
1705 uiBlockLayoutResolve(block, &xco, &yco);
1706 panel->layout = NULL;
1708 yco -= 2 * style->panelspace;
1709 uiEndPanel(block, w, -yco);
1713 uiEndPanel(block, w, 0);
1716 uiEndBlock(C, block);
1720 /* align panels and return size */
1721 uiEndPanels(C, ar, &x, &y);
1723 /* before setting the view */
1725 /* we always keep the scroll offset - so the total view gets increased with the scrolled away part */
1726 if (v2d->cur.ymax < - 0.001f)
1727 y = min_ii(y, v2d->cur.ymin);
1732 /* don't jump back when panels close or hide */
1734 x = max_ii(x, v2d->cur.xmax);
1738 /* this also changes the 'cur' */
1739 UI_view2d_totRect_set(v2d, x, y);
1741 if (scroll != v2d->scroll) {
1742 /* Note: this code scales fine, but because of rounding differences, positions of elements
1743 * flip +1 or -1 pixel compared to redoing the entire layout again.
1744 * Leaving in commented code for future tests */
1745 /* uiScalePanels(ar, BLI_rctf_size_x(&v2d->cur));
1756 /* view should be in pixelspace */
1757 UI_view2d_view_restore(C);
1759 UI_ThemeColor4((ar->type->regionid == RGN_TYPE_PREVIEW) ? TH_PREVIEW_BACK : TH_BACK);
1760 glRecti(0, 0, BLI_rcti_size_x(&ar->winrct), BLI_rcti_size_y(&ar->winrct));
1761 glDisable(GL_BLEND);
1764 UI_ThemeClearColor((ar->type->regionid == RGN_TYPE_PREVIEW) ? TH_PREVIEW_BACK : TH_BACK);
1765 glClear(GL_COLOR_BUFFER_BIT);
1770 UI_view2d_view_ortho(v2d);
1773 uiDrawPanels(C, ar);
1775 /* restore view matrix */
1776 UI_view2d_view_restore(C);
1779 scrollers = UI_view2d_scrollers_calc(C, v2d, V2D_ARG_DUMMY, V2D_ARG_DUMMY, V2D_ARG_DUMMY, V2D_ARG_DUMMY);
1780 UI_view2d_scrollers_draw(C, v2d, scrollers);
1781 UI_view2d_scrollers_free(scrollers);
1784 void ED_region_panels_init(wmWindowManager *wm, ARegion *ar)
1788 UI_view2d_region_reinit(&ar->v2d, V2D_COMMONVIEW_PANELS_UI, ar->winx, ar->winy);
1790 keymap = WM_keymap_find(wm->defaultconf, "View2D Buttons List", 0, 0);
1791 WM_event_add_keymap_handler(&ar->handlers, keymap);
1794 void ED_region_header(const bContext *C, ARegion *ar)
1796 uiStyle *style = UI_GetStyleDraw();
1800 Header header = {NULL};
1801 int maxco, xco, yco;
1802 int headery = ED_area_headersize();
1805 UI_ThemeClearColor((ED_screen_area_active(C)) ? TH_HEADER : TH_HEADERDESEL);
1806 glClear(GL_COLOR_BUFFER_BIT);
1808 /* set view2d view matrix for scrolling (without scrollers) */
1809 UI_view2d_view_ortho(&ar->v2d);
1811 xco = maxco = 0.4f * UI_UNIT_X;
1812 yco = headery - floor(0.2f * UI_UNIT_Y);
1814 /* draw all headers types */
1815 for (ht = ar->type->headertypes.first; ht; ht = ht->next) {
1816 block = uiBeginBlock(C, ar, ht->idname, UI_EMBOSS);
1817 layout = uiBlockLayout(block, UI_LAYOUT_HORIZONTAL, UI_LAYOUT_HEADER, xco, yco, UI_UNIT_Y, 1, style);
1821 header.layout = layout;
1822 ht->draw(C, &header);
1825 xco = uiLayoutGetWidth(layout);
1830 uiBlockLayoutResolve(block, &xco, &yco);
1836 uiEndBlock(C, block);
1837 uiDrawBlock(C, block);
1840 /* always as last */
1841 UI_view2d_totRect_set(&ar->v2d, maxco + UI_UNIT_X + 80, headery);
1843 /* restore view matrix? */
1844 UI_view2d_view_restore(C);
1847 void ED_region_header_init(ARegion *ar)
1849 UI_view2d_region_reinit(&ar->v2d, V2D_COMMONVIEW_HEADER, ar->winx, ar->winy);
1852 /* UI_UNIT_Y is defined as U variable now, depending dpi */
1853 int ED_area_headersize(void)
1855 return (int)(1.3f * UI_UNIT_Y);
1858 void ED_region_info_draw(ARegion *ar, const char *text, int block, float fill_color[4])
1860 const int header_height = UI_UNIT_Y;
1861 uiStyle *style = UI_GetStyleDraw();
1862 int fontid = style->widget.uifont_id;
1866 /* background box */
1867 ED_region_visible_rect(ar, &rect);
1868 rect.ymin = BLI_rcti_size_y(&ar->winrct) - header_height;
1870 /* box fill entire width or just around text */
1872 rect.xmax = min_ii(rect.xmax, rect.xmin + BLF_width(fontid, text) + 1.2f * U.widget_unit);
1874 rect.ymax = BLI_rcti_size_y(&ar->winrct);
1877 glGetIntegerv(GL_SCISSOR_BOX, scissor);
1878 glScissor(ar->winrct.xmin + rect.xmin, ar->winrct.ymin + rect.ymin,
1879 BLI_rcti_size_x(&rect) + 1, BLI_rcti_size_y(&rect) + 1);
1882 glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
1883 glColor4fv(fill_color);
1884 glRecti(rect.xmin, rect.ymin, rect.xmax + 1, rect.ymax + 1);
1885 glDisable(GL_BLEND);
1888 UI_ThemeColor(TH_TEXT_HI);
1889 BLF_clipping(fontid, rect.xmin, rect.ymin, rect.xmax, rect.ymax);
1890 BLF_enable(fontid, BLF_CLIPPING);
1891 BLF_position(fontid, rect.xmin + 0.6f * U.widget_unit, rect.ymin + 0.3f * U.widget_unit, 0.0f);
1893 BLF_draw(fontid, text, BLF_DRAW_STR_DUMMY_MAX);
1895 BLF_disable(fontid, BLF_CLIPPING);
1897 /* restore scissor as it was before */
1898 glScissor(scissor[0], scissor[1], scissor[2], scissor[3]);
1901 void ED_region_grid_draw(ARegion *ar, float zoomx, float zoomy)
1903 float gridsize, gridstep = 1.0f / 32.0f;
1904 float fac, blendfac;
1907 /* the image is located inside (0, 0), (1, 1) as set by view2d */
1908 UI_ThemeColorShade(TH_BACK, 20);
1910 UI_view2d_to_region_no_clip(&ar->v2d, 0.0f, 0.0f, &x1, &y1);
1911 UI_view2d_to_region_no_clip(&ar->v2d, 1.0f, 1.0f, &x2, &y2);
1912 glRectf(x1, y1, x2, y2);
1914 /* gridsize adapted to zoom level */
1915 gridsize = 0.5f * (zoomx + zoomy);
1916 if (gridsize <= 0.0f)
1919 if (gridsize < 1.0f) {
1920 while (gridsize < 1.0f) {
1926 while (gridsize >= 4.0f) {
1932 /* the fine resolution level */
1933 blendfac = 0.25f * gridsize - floorf(0.25f * gridsize);
1934 CLAMP(blendfac, 0.0f, 1.0f);
1935 UI_ThemeColorShade(TH_BACK, (int)(20.0f * (1.0f - blendfac)));
1939 while (fac < 1.0f) {
1940 glVertex2f(x1, y1 * (1.0f - fac) + y2 * fac);
1941 glVertex2f(x2, y1 * (1.0f - fac) + y2 * fac);
1942 glVertex2f(x1 * (1.0f - fac) + x2 * fac, y1);
1943 glVertex2f(x1 * (1.0f - fac) + x2 * fac, y2);
1947 /* the large resolution level */
1948 UI_ThemeColor(TH_BACK);
1951 while (fac < 1.0f) {
1952 glVertex2f(x1, y1 * (1.0f - fac) + y2 * fac);
1953 glVertex2f(x2, y1 * (1.0f - fac) + y2 * fac);
1954 glVertex2f(x1 * (1.0f - fac) + x2 * fac, y1);
1955 glVertex2f(x1 * (1.0f - fac) + x2 * fac, y2);
1956 fac += 4.0f * gridstep;
1961 /* If the area has overlapping regions, it returns visible rect for Region *ar */
1962 /* rect gets returned in local region coordinates */
1963 void ED_region_visible_rect(ARegion *ar, rcti *rect)
1967 /* allow function to be called without area */
1973 /* check if a region overlaps with the current one */
1974 for (; arn; arn = arn->next) {
1975 if (ar != arn && arn->overlap) {
1976 if (BLI_rcti_isect(rect, &arn->winrct, NULL)) {
1978 /* overlap left, also check 1 pixel offset (2 regions on one side) */
1979 if (ABS(rect->xmin - arn->winrct.xmin) < 2)
1980 rect->xmin = arn->winrct.xmax;
1983 if (ABS(rect->xmax - arn->winrct.xmax) < 2)
1984 rect->xmax = arn->winrct.xmin;
1988 BLI_rcti_translate(rect, -ar->winrct.xmin, -ar->winrct.ymin);